Review Article

The Effects of Oral Consumption of Honey on Key Metabolic Profiles in Adult Patients with Type 2 Diabetes Mellitus and Nondiabetic Individuals: A Systematic Review of Clinical Trials

Table 1

The characteristics of the included studies in the current systematic review.

Author/YearLocationStudy designGender (male/female)Mean ageSample size at baselineDisease backgroundSample size at endDosage of honeyDurationBotanical source of honey/typeOther interventionAdjustmentFindings

Sadeghi et al./2019IranRCT (cross-over)Both57.5Total (n = 53)
Honey (n = 27)
Control (n = 26)
T2DMTotal (n = 42)
Honey (n = 18)
Control (n = 24)
50 g/day8 weeks (4 weeks wash out)Milk vetchWeight maintenance diet for the control and honey groupHbA1c
WC
Waist-to-height ratio
Glucose
Weight
BMI
Insulin level
HC
Waist-to-hip ratio
HOMA-IR
HOMA-β
QUICKI

Rashid et al./2019MalaysiaRCTBoth51.6Total (n = 60)
Kelulut honey (n = 30)
Control (n = 30)
IFGTotal (n = 64)
Kelulut honey (n = 27)
Control (n = 27)
30 g30 daysFBS
TC
HDL-C
LDL-C
BMI
SBP
DBP

AB Wahab et al./2018MalaysiaRCT (double-blind, parallel)F (postmenopause)58Total (n = 100)
Tualang honey (n = 50)
Honey cocktail (n = 50)
T2DM (n = 12)
HTN (n = 49)
HLP (n = 51)
Total (n = 98)
Tualang honey (n = 49)
Honey cocktail (n = 49)
20 g/day12 monthsHoney cocktail (contains honey-bee bread-royal jelly)FBS
BMI
DBP



Enginyurt O. et al./2017TurkeyRCTBoth18–80Total (n = 64)
Intervention/patient (n = 32)
Control/healthy (n = 32)
T2DM (using metformin)Total (n = 64)
Intervention/patient (n = 32)
Control/healthy (n = 32)
5, 15, and 25 g/d4 monthsHbA1c (all of dose)
TC (doses of 5 and 25 g/d)
TG
HDL
LDL

Despland et al./2017SwitzerlandRCT (cross-over)MTotal (n = 8)HealthyTotal (n = 8)25% total energy8 daysWeight
Height
BMI
Fat mass
Lean mass
SBP
DBP
Resting heart rate
Total TG
Chylomicrons-TG
LDL
Glucose
Insulin
Raatz et al./2015North DakotaRCT (cross-over)BothGT: 38.9
IGT: 52.1
Total (n = 89)
GT (n = 52)
IGT (n = 37)
GT-IGTTotal (n = 55)
GT (n = 28)
IGT (n = 27)
50 g carbohydrate from honey, HFCS, and sucrose2 weeks (2–4 weeks wash out)Weight
BMI
Glucose
Insulin
HOMA_IR-glucose iAUC
Insulin iAUC
SBP
DBP
TC
HDL-C
LDL-C
TG

Majid et al./2014PakistanRCTMHoney: 20
Control: 20
Total (n = 70)
Honey (n = 35)
Control (n = 35)
HealthyTotal (n = 63)
Honey = 32
Control = 31
70 g4 weeksFBS
TG
TC
LDL-C
HDL-C

Rasad et al./2014IranRCT (double-blind)MHoney: 21.53
Sucrose: 24.23
Total (n = 60)
Honey (n = 30)
Sucrose (n = 30)
HealthyTotal (n = 60)
Honey (n = 30)
Sucrose (n = 30)
80 g honey in 250 ml water6 weeksAge, physical activity, and some nutrient intakeFBS
DBP
SBP

Nik Hazlina et al./2012MalaysiaRCTF55.4Total (n = 82)
Tualang honey (n = 41)
HRT (n = 41)
Healthy postmenopausalTotal (n = 79)
Tualang honey (n = 40)
HRT (n = 39)
20 g/day4 monthsBaseline values, age, BMI, WC, and duration of menopauseBMI
WC
SBP
DBP
TC
TG
HDL
FBS
Mushtaq et al./2011PakistanRandomized controlled clinical trialBothNormal weight, honey: M, 46.25 and F, 42.8
Normal weight, no honey: M, 42.5 and F, 42.9
Obese, honey: M, 41.27 and F, 40.06
Obese, no honey: M, 39.87 and F, 39.66
Total (n = 160)
Honey: obese (n = 40) and normal weight (n = 40)
No honey: obese (n = 40) and normal weight (n = 40)
Obese/normal weightTotal (n = 128)
Honey: obese (n = 32) and normal weight (n = 32)
No honey: obese (n = 32) and normal weight (n = 32)
40 g/day4 weeksBMI: obese and normal weight, LDL-C and normal weight, HDL
Normal weight: female
TC, normal weight (male Baloch and Pathan and female Baloch)
TC, obese (male Baloch and Punjabi and female Baloch, Punjabi, and Hzara)
TG, normal weight (male Baloch and female Punjabi)
TG, obese (male all ethnic groups and female Baloch, Pathan, and Punjabi)
LDL-C, obese (male all ethnic groups and female Baloch and Pathan)
HDL-C, normal weight (male Pathan and Punjabi)
HDL-C, obese (male Baloch, Pathan and Hzara, and female Baloch and Pathan)

Munstedt et al./2009GermanyRCTBothHoney: 62.6
Honey-comparable sugar solution: 58.8
Total (n = 60)
Honey group (n = 30)
Honey-comparable sugar solution group (n = 30)
High cholesterolTotal = 60
Honey group: 30
Honey-comparable sugar solution group: 30
75 g14 daysMixed blossom honey from Europe, central America, and South AmericaWomen: LDL
General: TG, LDL, HDL, and TG
Bahrami et al./2009IranRCTBoth57.2Total (n = 54)
Honey (n = 28)
Control (n = 26)
T2DMTotal (n = 48)
Honey (n = 25)
Control (n = 23)
First 2 weeks: 1 g/kg/d
Second 2 weeks: 1.5 g/kg/d
Third 2 weeks: 2 g/kg/d
Last 2 weeks: 2.5 g/kg/d
8 weeksNatural unprocessed honeyBaseline valuesBodyweight
TG
TC
LDL-C
FBS
LDL/HDL
HDL-C
HbA1c

Yaghoobi et al./2008IranRCTBoth41.2Total (n = 60)
Honey: 40
Control: 20
Obese or overweightTotal (n = 55)
Honey: 38
Control: 17
70 g/250 ml tap water30 daysNatural unprocessed honeyNormal variable: in subjects with normal values: BMI and FBG
Patients with TG >150 mg/dl
Bodyweight
Body fat
TC
LDL-C
HDL-C

RCT, randomized controlled clinical trial; T2DM, type 2 diabetes mellitus; WC, waist circumference; BMI, body mass index; HC, hip circumference; HOMA, homeostasis model assessment insulin resistance; QUICKI, quantitative insulin sensitivity check index; FBS, fasting blood sugar; DBP, diastolic blood pressure; HTN, hypertension; HLP, hyperlipidemia; TC, total cholesterol; TG, triglycerides; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; VLDL, very low-density lipoprotein; iAUC, incremental area under curve; GI, glycemic index; SBP, systolic blood pressure; FBS, fasting blood sugar; GT, glucose tolerance; ↔, no significant effect; ↓, decrease; ↑, increase.